Bicycle handlebar



FIG. 1 is a perspective view of a bicycle handlebar, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left-side view thereof; and,

FIG. 7 is a right-side view thereof.

The broken lines illustrate portions of the bicycle handlebar which form no part of the claimed design. 

CLAIM I claim the ornamental design for a bicycle handlebar, as shown and described herein. 